/* Public landing page, styled to match AMEC Cloud (amec.cloud): slate background, cyan accent. */
:root {
  --slate-950: #020617; --slate-900: #0f172a; --slate-800: #1e293b; --slate-700: #334155;
  --slate-500: #64748b; --slate-400: #94a3b8; --slate-300: #cbd5e1; --white: #fff;
  --cyan-400: #22d3ee; --cyan-500: #06b6d4; --cyan-600: #0891b2;
  --orange: #f97316; --green: #22c55e; --violet: #a78bfa; --amber: #f59e0b; --rose: #fb7185;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body.landing { margin: 0; background: var(--slate-900); color: #f1f5f9; min-height: 100vh;
  font: 16px/1.6 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; }
.landing a { color: var(--cyan-400); }
.landing h1, .landing h2, .landing h3 { color: var(--white); letter-spacing: -.02em; }
.landing h1 span, .landing h2 span, .lp-brand span { color: var(--cyan-400); }

.lp-top { position: sticky; top: 0; z-index: 10; display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 10px 16px; padding-top: max(10px, env(safe-area-inset-top)); background: var(--slate-800);
  box-shadow: 0 1px 3px rgba(0,0,0,.4); }
.lp-brand { display: flex; align-items: center; gap: 8px; font-size: 1.125rem; font-weight: 700; color: var(--white) !important; text-decoration: none; }
.lp-brand img { border-radius: 6px; }
.lp-top nav { display: flex; align-items: center; gap: 18px; }
.lp-top nav a:not(.lp-btn) { color: var(--slate-300); text-decoration: none; transition: color .15s; }
.lp-top nav a:not(.lp-btn):hover { color: var(--white); }

.lp-btn { display: inline-block; background: var(--cyan-600); color: var(--white) !important; text-decoration: none; font-weight: 700;
  padding: 12px 24px; border-radius: 12px; box-shadow: 0 10px 15px -3px rgba(0,0,0,.4); transition: background .15s, transform .15s; }
.lp-btn:hover { background: var(--cyan-500); transform: translateY(-1px); }
.lp-btn.small { padding: 6px 16px; border-radius: 8px; font-size: .875rem; }
.lp-btn.ghost { background: transparent; border: 2px solid var(--slate-700); box-shadow: none; }
.lp-btn.ghost:hover { border-color: var(--cyan-500); background: transparent; }

main { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
.lp-hero { min-height: calc(88vh - 56px); display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; padding: 48px 0; }
.lp-kicker { display: inline-block; margin: 0 0 16px; padding: 4px 12px; border: 1px solid var(--slate-700); border-radius: 999px;
  color: var(--slate-400); font-size: .85rem; }
.lp-hero h1 { font-size: clamp(2.6rem, 7vw, 4.5rem); line-height: 1.05; font-weight: 800; margin: 0 0 24px; }
.lp-lead { color: var(--slate-400); font-size: clamp(1.05rem, 2.2vw, 1.25rem); max-width: 38rem; margin: 0 0 32px; }
.lp-cta { display: flex; flex-wrap: wrap; gap: 12px; }

.lp-phone { justify-self: center; width: 300px; max-width: 100%; padding: 12px; border-radius: 36px; background: var(--slate-800);
  border: 1px solid var(--slate-700); box-shadow: 0 25px 50px -12px rgba(0,0,0,.6), 0 0 80px -20px rgba(34,211,238,.25); }
.lp-screen { background: var(--slate-950); border-radius: 26px; padding: 20px 14px; display: flex; flex-direction: column; gap: 10px; min-height: 440px; font-size: .82rem; line-height: 1.45; }
.lp-bubble { max-width: 88%; padding: 9px 12px; border-radius: 14px; }
.lp-bubble.me { align-self: flex-end; background: var(--cyan-600); color: var(--white); border-bottom-right-radius: 4px; }
.lp-bubble.pa { align-self: flex-start; background: var(--slate-800); color: var(--slate-300); border: 1px solid var(--slate-700); border-bottom-left-radius: 4px; }
.lp-bubble.pa strong { color: var(--white); }
.lp-card { border: 2px solid var(--cyan-500); border-radius: 14px; padding: 10px 12px; background: var(--slate-900); display: flex; flex-direction: column; gap: 2px; color: var(--slate-300); }
.lp-card strong { color: var(--white); }
.lp-card-btns { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 8px; }
.lp-card-btns span { text-align: center; padding: 6px; border-radius: 8px; border: 1px solid var(--slate-700); }
.lp-card-btns .go { background: var(--cyan-600); border-color: var(--cyan-600); color: var(--white); font-weight: 700; }

.lp-section { padding: 72px 0; border-top: 1px solid var(--slate-800); }
.lp-section h2, .lp-final h2 { font-size: clamp(1.9rem, 4.5vw, 2.75rem); font-weight: 800; margin: 0 0 12px; text-align: center; }
.lp-sub { color: var(--slate-400); text-align: center; max-width: 40rem; margin: 0 auto 40px; font-size: 1.1rem; }

.lp-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.lp-feature { padding: 28px; background: var(--slate-800); border: 1px solid var(--slate-700); border-radius: 16px;
  box-shadow: 0 20px 25px -5px rgba(0,0,0,.3); transition: border-color .3s, transform .3s; }
.lp-feature:hover { transform: translateY(-3px); }
.lp-feature h3 { margin: 12px 0 8px; font-size: 1.2rem; transition: color .3s; }
.lp-feature p { margin: 0; color: var(--slate-400); font-size: .95rem; }
.lp-ico { font-size: 2.25rem; line-height: 1; }
.lp-ico.big { font-size: 3rem; }
.c-cyan:hover { border-color: var(--cyan-500); } .c-cyan:hover h3 { color: var(--cyan-400); }
.c-orange:hover { border-color: var(--orange); } .c-orange:hover h3 { color: #fb923c; }
.c-green:hover { border-color: var(--green); } .c-green:hover h3 { color: #4ade80; }
.c-violet:hover { border-color: var(--violet); } .c-violet:hover h3 { color: #c4b5fd; }
.c-amber:hover { border-color: var(--amber); } .c-amber:hover h3 { color: #fbbf24; }
.c-rose:hover { border-color: var(--rose); } .c-rose:hover h3 { color: #fda4af; }

.lp-steps { list-style: none; padding: 0; margin: 40px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: none; }
.lp-steps li { position: relative; padding: 28px; border-radius: 16px; background: linear-gradient(180deg, var(--slate-800), var(--slate-900)); border: 1px solid var(--slate-700); }
.lp-steps h3 { margin: 14px 0 6px; font-size: 1.2rem; }
.lp-steps p { margin: 0; color: var(--slate-400); }
.lp-num { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 12px;
  background: var(--cyan-600); color: var(--white); font-weight: 800; font-size: 1.1rem; }

.lp-secure { display: flex; gap: 28px; align-items: flex-start; max-width: 860px; margin: 0 auto; }
.lp-secure h2 { text-align: left; }
.lp-secure ul { margin: 0; padding-left: 20px; color: var(--slate-300); }
.lp-secure li { margin: 6px 0; }
.lp-secure li::marker { color: var(--cyan-400); }

.lp-final { padding: 80px 0 96px; text-align: center; border-top: 1px solid var(--slate-800); }
.lp-final .lp-sub { margin-bottom: 28px; }
.lp-tip { color: var(--slate-500); font-size: .9rem; margin: 24px auto 0; max-width: 32rem; }

.lp-foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding: 24px 16px; padding-bottom: max(24px, env(safe-area-inset-bottom));
  background: var(--slate-800); color: var(--slate-400); font-size: .9rem; }
.lp-foot span { display: inline-flex; align-items: center; gap: 8px; }
.lp-foot img { border-radius: 4px; }
.lp-foot a { color: var(--slate-300); text-decoration: none; } .lp-foot a:hover { color: var(--white); }

@media (max-width: 900px) {
  .lp-hero { grid-template-columns: 1fr; min-height: 0; padding: 40px 0 56px; gap: 40px; }
  .lp-grid, .lp-steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .lp-top nav a:not(.lp-btn) { display: none; }
  .lp-grid, .lp-steps { grid-template-columns: 1fr; }
  .lp-secure { flex-direction: column; gap: 12px; }
  .lp-section { padding: 56px 0; }
  .lp-cta .lp-btn { flex: 1; text-align: center; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .lp-feature, .lp-btn { transition: none; }
  .lp-feature:hover, .lp-btn:hover { transform: none; }
}

/* subscribe */
.lp-subscribe { text-align: center; }
.lp-form { display: flex; gap: 10px; max-width: 520px; margin: 0 auto; }
.lp-form input[type=email] { flex: 1; min-width: 0; height: 52px; padding: 0 18px; font: inherit; color: var(--white);
  background: var(--slate-800); border: 2px solid var(--slate-700); border-radius: 14px; outline: none; transition: border-color .2s; }
.lp-form input[type=email]:focus { border-color: var(--cyan-500); }
.lp-form .lp-btn { border: 0; font: inherit; font-weight: 700; cursor: pointer; }
.lp-hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.lp-thanks { display: inline-block; padding: 14px 22px; border-radius: 14px; background: rgba(34,197,94,.12); border: 1px solid var(--green); color: #4ade80; font-weight: 700; margin: 0; }
.lp-error { color: var(--rose); margin: 0 0 14px; }
.lp-top .lp-btn.ghost.small { padding: 4px 14px; }
@media (max-width: 600px) {
  .lp-form { flex-direction: column; }
  .lp-form input[type=email] { flex: none; }
  .lp-top .lp-btn.ghost.small { display: none; }
}